Hitech - Rechargeable Battery for Panasonic Cordless Phone KX-TG6071M / KX-TG6072B / KX-TG6072PK / KX-TG6073PK/ KX-TG6073S/ KX-TG6074B / KX-TG6074PK Hitech cordless phone replacement battery. Replaces HHR-P107 cordless phone battery Chemistry: Ni-Mh ; Capacity:650mAh ; Voltage: 3.6V Ni-Mh batteries has no memory effect compared to Ni-Cd batteries 100% compatible and meet or exceed original specifications Item described available at Hitech merchant.